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Cisco Bug: CSCum93892 - VSAN is stuck in operational state down, but state is active.

Last Modified

Nov 13, 2019

Products (7)

  • Cisco Nexus 5000 Series Switches
  • Cisco Nexus 5596UP Switch
  • Cisco Nexus 5548P Switch
  • Cisco Nexus 6004 Switch
  • Cisco Nexus 6001 Switch
  • Cisco Nexus 5548UP Switch
  • Cisco Nexus 5596T Switch

Known Affected Releases

6.0(2)N1(2a) 7.0(0)N1(1)

Description (partial)

A VSAN's operational state may be listed as "down", but state shows "active"

`show vsan`
vsan 1 information
         name:VSAN0001  state:active 
         interoperability mode:default 
         operational state:down

This bug may also affect DCNM functionality, specifically when trying to configure zones for affected VSAN's.
If the VSAN is "stuck" in the down state, DCNM will not be able to poll it correctly.

If a switch is affected by this bug, DCNM will report the following error on DCNM 6.3(1) versions and above:
	"The login user does not have permission to edit zones for the switches in selected VSAN.
	To edit zones, please discover the switches in selected VSAN using SNMP User with read/write permission."

DCNM versions 6.2(3) and below, this error is reported:
	"SNMP no device available"

In the fmserver.log file you will see the following error: ("%INSTALL DIR%\Cisco Systems\dcm\fm\logs\fmserver.log")
	"cannot find VSAN # on the switch"
Please note: 
	You can still encounter this issue on DCNM and have the VSAN be in "operational state: up" 
	If you suspect this bug, check for the "cannot find VSAN # on the switch" error in fmserver.log when trying to perform zoning via DCNM.
	If the VSAN exists on the switch (confirmed via CLI) and the switch user account has the correct read/write permissions, you are most likely encountering this bug.

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